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ICPMS daily performance check report, May 24, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 24, 2002.

NYC-WTC_000054375–000054546

Folder label: “ICPMS 5/24/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE11572 Sample Date/Time: Friday, May 24, 2002 12:23:15 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york cit\AE11572.388 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Meam Cone. Mean Cone. RSD Sample Unit Be 9 7.667 27.152 0,000 0.01160 48.81 ug/L Li 6 53600.426 0.854 53600.426 ug/L Se-1 45 392877.455 0.910 392677.455 ug/L Cr 52 15200.188 2.541 0.023 1.11823 5.70 ug/L Cr 53 2093:929 3.231 0.004 1.48545 5.91 ug/L Mn 55 778385.586 1.346 1.979 57.57634 0.50 ug/L Co 59 779.041 4.348 0.002 0.07008 6.10 ug/L Ni 60 8985.863 1.785 0.023 4.56501 1.27 ug/L Cu 63 17416.175 0.642/ 0.044 4.14132 0.90 ug/L Cu 65 8105.693 0.674 0.020 3.95416 1.23 ug/L Zn 66 5144.840 0,350 0.055 3.33581 2.06 ug/L Zn 67 1071.407 2.379 0.011 3.86783 2.68 ug/L Zn 68 4533.176 1.970 0.050 4.03904 2.43 ug/L > Ge 72 80966.826 1.583 80966.826 ug/L As 75 12660.348 5.699 0.004 0.21563 224.88 ug/L Se 77 1639.418 6.189 0.001 0.66865 111.24 ug/L Se 82 -132.769 132.987 -0.002 -0.73017 128.63 ug/L As-1 75 1019.401 2.438 911.399 0.48543 2.73 ug/L Kr 83 4644.567 4.201 \ -102.720 ug/L Ag 107 292.674 13.080 \ 0.000 0.00300 168.65 ug/L Cd 111 34.667 28.894 \ 0.000 0.00827 57.73 ug/L Cd 114 102.876 19.289 0.000 0.01231 31.94 ug/L In 115 1067936.693 1.874 1067936.693 ug/L Sb Sb Ba 121 123 135 550.356 406.668 65865.063 2.257 2.612 0.107 0.888 0.041 \ 0.07135 0.06935 31.45635 0.61 2.80 1.01 ug/L ug/L ug/L Ba 137 114989.509 0.764 0.072 '\ 31.42662 1.48 ug/L Ho 165 1634023.365 0.478 -0.005 ug/L > Tb 159 1601391.025 0.994 1601391.025 ug/L Hg 201 64.334 17.949 0.000 0.02675 35.77 ug/L Hg 202 131.002 31.594 0.000 0.02162 70.87 ug/L TI 205 399.346 10.465 -0.000 -0.00348 44.77 ug/L Pb 208 22290.884 0.599 0.013 0.61341 0.43 ug/L

Sample ID: AE11572 Report Date/Time: Friday, May 24,2002 12:25:11 Page 1

NYC-WTC_000054499

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